CN116423795A - A feeding device for extrusion molding - Google Patents
A feeding device for extrusion molding Download PDFInfo
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- CN116423795A CN116423795A CN202310532313.0A CN202310532313A CN116423795A CN 116423795 A CN116423795 A CN 116423795A CN 202310532313 A CN202310532313 A CN 202310532313A CN 116423795 A CN116423795 A CN 116423795A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本发明公开一种挤出成型用上料装置。其包括上料圆筒和带有出料口的锥筒，上料圆筒包括进料口、旋转连接杆、旋转轴和旋转螺旋，进料口设置在上料圆筒底部，旋转连接杆设置于上料圆筒中心线，旋转轴设置在的旋转连接杆底部，旋转螺旋设置在旋转连接杆的外侧并用于传输物料，上料圆筒还包括内管和外管，在外管的管壁上设有进风口，进风口连接一鼓风机，在内管的管壁上开设有细孔筛。通过在螺旋上料装置中增加进风口和鼓风机，可以将相对较为细小的颗粒物料吹离旋转螺旋，从而对颗粒大小不一的物料进行分离，有效地送入大小均匀的物料，从而增加上料的稳定性。
The invention discloses a feeding device for extrusion molding. It includes a feeding cylinder and a cone with a discharge port. The feeding cylinder includes a feeding port, a rotating connecting rod, a rotating shaft and a rotating screw. The feeding port is set at the bottom of the feeding cylinder, and the rotating connecting rod is set On the centerline of the feeding cylinder, the rotating shaft is set at the bottom of the rotating connecting rod, and the rotating screw is arranged outside the rotating connecting rod and used to transport materials. The feeding cylinder also includes an inner tube and an outer tube, which are on the wall of the outer tube An air inlet is provided, and the air inlet is connected with a blower, and a fine screen is provided on the pipe wall of the inner pipe. By adding an air inlet and a blower to the screw feeding device, the relatively fine granular material can be blown away from the rotating screw, so that the material with different particle sizes can be separated, and the material with uniform size can be effectively sent in, thereby increasing the feeding. stability.
Description
技术领域technical field
本发明涉及塑料成型技术领域，尤其是涉及一种挤出成型用上料装置。The invention relates to the technical field of plastic molding, in particular to a feeding device for extrusion molding.
背景技术Background technique
在塑料加工领域，尤其是各类塑料管材、薄膜的加工中主要使用挤压成型机。挤压成型机分为挤出机和延压机。挤压成型机的加料装置由料斗和上料装置组成，上料装置又称塑料上料机。其中目前常用的自动上料装置有弹簧上料装置、鼓风上料装置和真空上料装置三种，由于弹簧上料装置适用于粉料、粒料的传输，因此得到了普遍的使用。但是目前现有的弹簧上料装置中存在送料效率低、安全稳定性差、上料不均匀等问题。In the field of plastic processing, especially in the processing of various plastic pipes and films, extrusion molding machines are mainly used. Extrusion molding machines are divided into extruders and calenders. The feeding device of the extrusion molding machine is composed of a hopper and a feeding device, and the feeding device is also called a plastic feeding machine. Among them, there are three kinds of automatic feeding devices commonly used at present: spring feeding device, blast feeding device and vacuum feeding device. Because the spring feeding device is suitable for the transmission of powder and granular materials, it has been widely used. However, there are problems such as low feeding efficiency, poor safety and stability, and uneven feeding in the existing spring feeding device at present.
上料机还分为单体式全自动真空上料机与分体式大功率全自动真空上料机。真空上料机是现代化工、制药、食品、冶金、建材、农副等各轻、重工业等必须配套的设备之一，他提供了工作效率，运输精确，质量可靠坚久耐用，并且在送料过程中原料完全不受潮，不受污染，不带异物，不漏失，实现送料过程自运化，避免高空加料的危险性，降低劳动强度，提高生产效率，是现代企业文明生产必备之一。上料机在塑料行业中也可以分为螺旋上料机、自动上料机、弹簧上料机，目前的上料机的特点有，1、可与各种规格挤出机、高速混合机、塑料搅拌机配套使用；2、广泛适用于各类粉状、粒状、回料破碎等物料的上（送）用途；3、可多机串联使用，抽送上料速度1-3吨/每小时；4、具有性能稳定、维修方便、安全可靠、节省人力等优点；5、品种齐全，款式多样，具有垂直上料功能，占地少。但现有的上料装置普遍存在上料大小不一，导致上料装置易发生堵塞情况，此外上料大小不一也会影响最终产品的质量。The feeding machine is also divided into a single-type automatic vacuum feeding machine and a split-type high-power automatic vacuum feeding machine. Vacuum feeding machine is one of the necessary supporting equipment for light and heavy industries such as modern chemical industry, pharmaceuticals, food, metallurgy, building materials, agricultural and sideline industries. The medium raw material is completely free from moisture, pollution, foreign matter, and no leakage. It realizes the self-transportation of the feeding process, avoids the danger of high-altitude feeding, reduces labor intensity, and improves production efficiency. It is one of the must-haves for modern enterprise civilized production. The feeder can also be divided into screw feeder, automatic feeder and spring feeder in the plastic industry. The current feeder has the following characteristics: 1. It can be used with various specifications of extruders, high-speed mixers, It is used together with plastic mixer; 2. It is widely used for loading (delivery) of various powdery, granular, recycled and crushed materials; 3. It can be used in series with multiple machines, and the pumping and feeding speed is 1-3 tons/hour; 4. 1. It has the advantages of stable performance, convenient maintenance, safety and reliability, and manpower saving; 5. It has complete varieties and styles, has vertical feeding function, and occupies less land. However, the existing feeding devices generally have different sizes of feeding materials, which leads to blockage of the feeding device. In addition, the different sizes of feeding materials will also affect the quality of the final product.
因此，如何减少颗粒大小不一的进料、提升进料的均匀度对于塑料产品生产制备至关重要。Therefore, how to reduce the feeding of different particle sizes and improve the uniformity of feeding is very important for the production and preparation of plastic products.
发明内容Contents of the invention
本发明的目的就是为了解决上述技术问题而提供一种挤出成型用上料装置。通过在螺旋上料装置中增加进风口和鼓风机，可以将相对较为细小的颗粒物料吹离旋转螺旋，从而对颗粒大小不一的物料进行分离，有效地送入大小均匀的物料，从而增加上料的稳定性。The object of the present invention is to provide a feeding device for extrusion molding in order to solve the above technical problems. By adding an air inlet and a blower to the screw feeding device, the relatively fine granular materials can be blown away from the rotating screw, so as to separate the materials with different particle sizes and effectively feed the materials with uniform sizes, thereby increasing the feeding capacity. stability.
本发明的目的通过以下技术方案实现：The object of the present invention is achieved through the following technical solutions:
本发明提供一种挤出成型用上料装置，其特征在于，其包括上料圆筒（1）和带有出料口（3）的锥筒（17），所述的上料圆筒（1）包括进料口（2）、旋转连接杆（5）、旋转轴（6）和旋转螺旋（7），所述的进料口（2）设置在所述的上料圆筒（1）底部，所述的旋转连接杆（5）设置于所述的上料圆筒（1）中心线，所述的旋转轴（6）设置在所述的旋转连接杆（5）底部，所述的旋转螺旋（7）设置在所述的旋转连接杆（5）的外侧并用于传输物料（4），所述的上料圆筒（1）还包括内管（9）和套接在所述内管（9）外的外管（10），所述的内管（9）与所述的外管（10）的上、下端部均密封，从而在内管（9）与外管（10）之间形成密封腔（12），在所述的外管（10）的管壁上设有进风口（15），所述的进风口（15）连接一鼓风机（16），在所述的内管（9）的管壁上开设有细孔筛（11）。The invention provides a feeding device for extrusion molding, which is characterized in that it includes a feeding cylinder (1) and a cone (17) with a discharge port (3), and the feeding cylinder ( 1) Including feeding port (2), rotating connecting rod (5), rotating shaft (6) and rotating screw (7), the feeding port (2) is set on the feeding cylinder (1) At the bottom, the rotating connecting rod (5) is set on the center line of the feeding cylinder (1), the rotating shaft (6) is set at the bottom of the rotating connecting rod (5), and the The rotating screw (7) is arranged on the outside of the rotating connecting rod (5) and is used for conveying the material (4), and the feeding cylinder (1) also includes an inner tube (9) and sleeved in the inner The outer tube (10) outside the tube (9), the upper and lower ends of the inner tube (9) and the outer tube (10) are sealed, so that the inner tube (9) and the outer tube (10) A sealed cavity (12) is formed between them, and an air inlet (15) is provided on the wall of the outer pipe (10). The air inlet (15) is connected to a blower (16), and the inner A fine mesh screen (11) is opened on the tube wall of the tube (9).
较佳的，所述内管（9）的底部设置有筛分斜槽（13）。该筛分斜槽可用于将吹离旋转螺旋（7）的较为细小的颗粒物料的收集。Preferably, the bottom of the inner pipe (9) is provided with a screening chute (13). The screening chute can be used to collect relatively fine particle materials blown away from the rotating screw (7).
较佳的，所述的筛分斜槽（13）与所述的内管（9）的夹角为30~45°。Preferably, the included angle between the screening chute (13) and the inner pipe (9) is 30-45°.
较佳的，所述的内管（9）与所述的筛分斜槽（13）连接处设有回收口（14），该回收口（14）用于回收被吹离的较为细小的颗粒物料。Preferably, the connection between the inner pipe (9) and the screening chute (13) is provided with a recovery port (14), and the recovery port (14) is used to recover the relatively fine particles blown away material.
较佳的，所述的内管（9）的管壁上设置的细孔筛（11）高于所述的筛分斜槽（13）。Preferably, the fine mesh screen (11) arranged on the pipe wall of the inner pipe (9) is higher than the screening chute (13).
较佳的，所述的细孔筛（11）位于密封腔（12）一端的开口高于位于内管（9）内表面一端的开口。Preferably, the opening of the fine mesh screen (11) at one end of the sealed chamber (12) is higher than the opening at one end of the inner surface of the inner tube (9).
较佳的，所述的细孔筛（11）与水平线的夹角为20~40°。Preferably, the included angle between the fine mesh screen (11) and the horizontal line is 20-40°.
较佳的，所述的出料口（3）上设有电磁阀（18）。可以通过电磁阀（18）来调节出料口（3）的出料速度。Preferably, a solenoid valve (18) is provided on the discharge port (3). The discharge speed of the discharge port (3) can be adjusted through the solenoid valve (18).
较佳的，所述的旋转螺旋（7）的外侧设置有单向上料凸起（8）。Preferably, the outer side of the rotating screw (7) is provided with a one-way feeding protrusion (8).
较佳的，相邻两个细孔筛（11）之间的距离与上料圆筒（1）的直径比值为1:100~1000。Preferably, the ratio of the distance between two adjacent fine mesh screens (11) to the diameter of the feeding cylinder (1) is 1:100~1000.
本发明专利中，还可以设置细孔筛（11）的孔径大小或者调节鼓风机（16）的风量大小，来控制吹离的较为细小的颗粒物料的尺寸。In the patent of the present invention, it is also possible to set the aperture size of the fine mesh screen (11) or adjust the air volume of the blower (16) to control the size of the relatively fine particle materials blown away.
与现有技术相比，本发明具有以下有益效果：通过在螺旋上料装置中增加进风口和鼓风机，可以将相对较为细小的颗粒物料吹离旋转螺旋，从而对颗粒大小不一的物料进行分离，有效地送入大小均匀的物料，从而增加上料的稳定性。此外，还可以设置细孔筛的孔径大小或者调节鼓风机的风量大小，来控制吹离的较为细小的颗粒物料的尺寸。Compared with the prior art, the present invention has the following beneficial effects: by adding an air inlet and a blower to the screw feeding device, relatively fine particle materials can be blown away from the rotating screw, thereby separating materials with different particle sizes , Efficiently feed materials of uniform size, thereby increasing the stability of feeding. In addition, it is also possible to set the aperture size of the fine mesh screen or adjust the air volume of the blower to control the size of the relatively fine particle materials blown away.
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、垂直、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制；方位词“内、外”是指相对于各部件本身的轮廓的内外。In the description of the present application, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the device or element referred to It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present application; the orientation words "inner and outer" refer to the inner and outer relative to the outline of each component itself.
附图说明Description of drawings
图1为本发明实施例1的挤出成型用上料装置的示意图。FIG. 1 is a schematic diagram of a feeding device for extrusion molding according to
图2为本发明实施例2的带有筛分斜槽的挤出成型用上料装置的示意图。Fig. 2 is a schematic diagram of a feeding device for extrusion molding with a screening chute according to Example 2 of the present invention.
图3为本发明实施例3的带有电磁阀的挤出成型用上料装置的示意图。Fig. 3 is a schematic diagram of a feeding device for extrusion molding with a solenoid valve according to
其中，1-上料圆筒，2-进料口，3-出料口，4-物料，5-旋转连接杆，6-旋转轴，7-旋转螺旋，8-单向上料凸起，9-内管，10-外管，11-细孔筛，12-密封腔，13-筛分斜槽，14-回收口，15-进风口，16-鼓风机，17-锥筒。Among them, 1-feeding cylinder, 2-feeding port, 3-discharging port, 4-material, 5-rotating connecting rod, 6-rotating shaft, 7-rotating screw, 8-one-way feeding protrusion, 9 -Inner pipe, 10-Outer pipe, 11-Fine screen, 12-Seal chamber, 13-Sieving chute, 14-Recovery port, 15-Air inlet, 16-Blower, 17-Cone cylinder.
实施方式Implementation
下面结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
实施例Example
附图1是本发明一实施方式的上料装置的示意图。该挤出成型用上料装置包括上料圆筒（1）和带有出料口（3）的锥筒（17），所述的上料圆筒（1）包括进料口（2）、旋转连接杆（5）、旋转轴（6）和旋转螺旋（7），所述的进料口（2）设置在所述的上料圆筒（1）底部，所述的旋转连接杆（5）设置于所述的上料圆筒（1）中心线，所述的旋转轴（6）设置在所述的旋转连接杆（5）底部，所述的旋转螺旋（7）设置在所述的旋转连接杆（5）的外侧并用于传输物料（4），所述的上料圆筒（1）还包括内管（9）和套接在所述内管（9）外的外管（10），所述的内管（9）与所述的外管（10）的上、下端部均密封，从而在内管（9）与外管（10）之间形成密封腔（12），在所述的外管（10）的管壁上设有进风口（15），所述的进风口（15）连接一鼓风机（16），在所述的内管（9）的管壁上开设有细孔筛（11）。Accompanying
该细孔筛（11）位于密封腔（12）一端的开口高于位于内管（9）内表面一端的开口，所述的细孔筛（11）与水平线的夹角为30°。在旋转螺旋（7）的外侧均设置有单向上料凸起（8）。The opening of the fine mesh screen (11) at one end of the sealed chamber (12) is higher than the opening at the inner surface of the inner tube (9), and the angle between the fine mesh screen (11) and the horizontal line is 30°. One-way feeding projections (8) are provided on the outer sides of the rotating spirals (7).
相邻两个细孔筛（11）之间的距离与上料圆筒（1）的直径比值为1:300。The ratio of the distance between two adjacent fine mesh screens (11) to the diameter of the feeding cylinder (1) is 1:300.
物料通过进料口（3）进入上料圆筒（1），上料圆筒（1）中心的旋转连接杆（5）带动旋转螺旋（7）开始转动，由于旋转螺旋（7）外侧的单向上料凸起（8）进一步带动物料向上运输。在物料向上运输过程中，由于鼓风机（16）产生的气流通过进风口（15）从细孔筛（11）进入到物料运输空间，并且由于细孔筛（11）角度向下，气流将较为细小、质量较轻的颗粒物料吹离旋转螺旋（7），而尺寸较大、重量较大的颗粒物料不受影响、继续随着旋转螺旋（7）向上运动，从而实现了对颗粒大小不一的物料进行分离，有效地送入大小均匀的物料，从而增加上料的稳定性。The material enters the feeding cylinder (1) through the feeding port (3), and the rotating connecting rod (5) at the center of the feeding cylinder (1) drives the rotating screw (7) to start rotating. The upward material protrusion (8) further drives the material to be transported upward. During the upward transportation of materials, the airflow generated by the blower (16) enters the material transportation space from the fine-mesh screen (11) through the air inlet (15), and because the angle of the fine-mesh screen (11) is downward, the airflow will be relatively small 1. The lighter granular materials are blown away from the rotating screw (7), while the larger and heavier granular materials are not affected and continue to move upwards with the rotating screw (7), thus realizing the control of different particle sizes. The material is separated, and the material of uniform size is effectively fed, thereby increasing the stability of feeding.
实施例Example
图2为本发明实施例2的带有筛分斜槽的挤出成型用上料装置的示意图。其总体结构与实施例1一致，但是本实施例的上料装置还包括有筛分斜槽（13），该筛分斜槽（13）设置在内管（9）的底部，该筛分斜槽可用于将吹离旋转螺旋（7）的较为细小的颗粒物料的收集。其中，所述的筛分斜槽（13）与所述的内管（9）的夹角为40°，所述的内管（9）与所述的筛分斜槽（13）连接处设有回收口（14），该回收口（14）用于回收被吹离的较为细小的颗粒物料。Fig. 2 is a schematic diagram of a feeding device for extrusion molding with a screening chute according to Example 2 of the present invention. Its overall structure is consistent with that of Example 1, but the feeding device of this embodiment also includes a screening chute (13), which is arranged at the bottom of the inner pipe (9), and the screening chute The slots can be used to collect the finer particulate material that is blown away from the rotating screw (7). Wherein, the included angle between the screening chute (13) and the inner pipe (9) is 40°, and the connection between the inner pipe (9) and the screening chute (13) is set There is a recovery port (14), and the recovery port (14) is used to recover relatively fine particle materials blown away.
在一较佳的实施方式中，所述的内管（9）的管壁上设置的细孔筛（11）高于所述的筛分斜槽（13），这样能够更有效的实现较为细小的颗粒物料的收集。In a preferred embodiment, the fine mesh screen (11) set on the tube wall of the inner tube (9) is higher than the screening chute (13), which can more effectively achieve a finer collection of particulate matter.
实施例Example
图3为本发明实施例3的带有电磁阀的挤出成型用上料装置的示意图。其总体结构与实施例2一致，区别在于本实施例的出料口（3）上设有电磁阀（18），从而可以通过电磁阀（18）来调节出料口（3）的出料速度，实现更好的物料传输。Fig. 3 is a schematic diagram of a feeding device for extrusion molding with a solenoid valve according to
必须加以强调的是，上述的详细说明是针对本发明可行实施例的具体说明，但该实施例并非用以限制本发明的专利范围，凡未脱离本发明技艺精神所为的等效实施或变更，均应包含于本发明的专利范围中。It must be emphasized that the above detailed description is a specific description of a feasible embodiment of the present invention, but this embodiment is not intended to limit the patent scope of the present invention, and any equivalent implementation or change that does not depart from the technical spirit of the present invention , should be included in the patent scope of the present invention.
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